How to Make a Bubble Brake Line Flare: FMSI

[teds]

A bubble flare using a double flare kit. Now I know I already have the tools. Thanks for the video.

[thomaskramer]

Wirklich sehr gutes Video ausführlich gezeigt wie es genau gemacht wird und es schaut echt gut aus, danke Gruß Thomas aus München

[supercamario]

When making a bubble flare with a double flare tool do not use the side with the countersunk holes use the opposite flat side.

[auxz]

I do this all the time using the flat side of the block and it works every time and no leaks

[bluemax]

That is not a bubble flare. That is step one of a double flare. It LOOKS like a bubble flare, but the bottom is not flat. To complete a double flare, you would need to force the cone into the hole.

[izzzzzz]

from what i can work out you need to use the flat side of the clamp and leave a bit extra line protruding when making a fat bubble end. You have followed instructions for the 1st part of a double which is different. This usually works but you might find yourself cranking the nuts super tight to get them to crush onto the mating surface.

[hoodedgood]

This is the incorrect way to do it... Your flare on an ISO/Bubble flare should be completely flat on the line side. This is the first half of making an SAE/American flare. While both can work I suggest using the flat side of the flaring tool not the cupped side.

[radomegt]

Wondering why you chose to "fudge" a bubble flare with a double flare tool when your company markets a DIN/ISO bubble flare tool kit.

[CaptainGnarkill]

That’s a bubble flare. Thanks that was super helpful.

[knulleriboy]

This is not quite a bubble flare because it is supposed to have a straight backside and not a 45 degree angle. Use the other side of the tool if you wanna make a bubble flare. This is just the first step of a double flare. Not the same thing. If it works, that is another question.

[saginaw]

other sites say to not use the flair side of the block ?

[jamesa]

Everyone is using soft nicop line. Now let’s see you bubble flare the 20 year old steel line on the car that you have to splice.

[RedlineRennsport]

It's VERY easy to make a bubble, obviously. It is not so easy to make a FLARE! Still searching for a true ISO bubble flare.

[PioloQuiboloy]

Thats basically an incomplete double flare not a true bubble flare

[kennedywong]

Can this tool work on hard brake line?

[joshuamclaren]

This looks like the same flaring tool that I just bought. It’s literally a piece of shit and I’d advise anyone to spend a little more and get a better version

[bestbuildpc]

I made this bubble flare and I got a leak so I wonder if this cheap tool works or not?

[jimjones]

He is showing a european style bubble flare. Common in older, and some newer european cars. DIN/ISO bubble flare is flat on the back end.

[chrismora]

C4 corvettes have these, need to get me this tool.

[neighborscomplaint]

Just went through this ordeal and the cheap clamping "vise" all these kits supply does not hold the coated Nicop line securely. Even after using a wrench to tighten the wing nuts, the line just pushes out of the clamp with no flare. I even wire brushed the PFF coating off and tried and the line just pushes out the back of the fixture.